Product DescriptionThe Faxon Superfinished 7.62x39 Type 1 Bolt Carrier Group (Nitride) is built to deliver smooth, dependable cycling in AR-15 rifles chambered in 7.62x39. It features a .125 Type 1 bolt face and a 9310 tool steel bolt that is magnetic particle inspected (MPI), heat treated, and shot peened to MIL-SPEC standards. A salt bath nitride finish on the bolt and carrier increases surface hardness, reduces friction, and improves corrosion resistance, while Faxon's Superfinish helps reduce fouling for easier cleaning and consistent operation. This is an M16-pattern carrier that is full-auto compatible and includes forward assist serrations.Product Highlights Designed for AR-15 7.62x39 with a .125 Type 1 bolt face for proper fitment 9310 tool steel bolt with MPI testing, MIL-SPEC heat treatment, and shot peening Salt bath nitride treatment on bolt and carrier for corrosion resistance and reduced friction Superfinished carrier body helps minimize fouling and promotes smoother cycling M16-pattern, full-auto compatible carrier with grade 8 gas key fasteners that are fully stakedSpecs Brand: Faxon Firearms Product Type: Bolt Carrier Group (BCG) Platform Compatibility: AR-15 Caliber: 7.62x39 Bolt Face: .125 Type 1 Bolt Material: 9310 tool steel Finish: Salt bath nitride (black nitride) Inspection: Magnetic Particle Inspection (MPI) Carrier Pattern: M16 pattern, full-auto compatible Additional Features: Chamfered bolt lugs for reliability; S7 extractor; forward assist serrations; grade 8 gas key fasteners fully staked Compatibility Note: Not compatible with Faxon 6.5 Grendel barrels UPC: 816341024274 Manufacturer Part Number: FF76239GBCGCNITRIDEDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.